MIL-DTL-38999 Series I connectors are engineered for rugged environments, featuring up to 128 contacts in a sealed insert. With a wide operating temperature range from -65°C to 200°C, they ensure reliable performance in harsh conditions. Available in various shell sizes and insert arrangements, these connectors offer versatility in design. Constructed with high-strength aluminum shells and plated with options like electroless nickel, they meet stringent military specifications. The jam nut mounting, bayonet coupling, and RFI grounding features make them ideal for demanding applications. Utilizing removable crimp contacts, these connectors guarantee secure and efficient electrical connections. With RoHS compliant finishes available, they provide a reliable solution for diverse connectivity needs.